Product ID: 806011174
Product Name: Blue Sapphire
Price : $9.36
Weight: 1.96
Jewelry Size: 9.1 x 7.1 x 3.3 Mm
Shape: Oval
Color: Deep Blue
Clarity: Opaque
Luster: Good
Origin: Madagascar
Treatment: Heated (Lead-glass filling)
Crystal Structure: Trigonal
Hardness: 9
Specific Gravity: 3.9 - 4.1
Refractive Index: 1.76 - 1.78
Chemical: Al2O3, Aluminum Oxide